z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 281

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z80189

Manufacturer Part Number

z80189

Description

Z80180, Z8s180, Z8l180 Mpu Operation

Manufacturer

ZiLOG Semiconductor

Datasheet

1.Z80189.pdf (326 pages)

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Table 51.

Instruction

LD HL, (mn)

LD ww,(mn)

LD IX,(mn)

LD IY,(mn)

Bus and Control Signal Condition in Each Machine Cycle (Continued)

Machine

Cycle

MC1

MC2

MC3

MC4

MC5

MC1

MC2

MC3

MC4

MC5

MC6

MC1

MC2

MC3

MC4

MC5

MC6

States

T1T2T3

T1T2T3

T1T2T3

T1T2T3

T1T2T3

T1T2T3

T1T2T3

T1T2T3

T1T2T3

T1T2T3

T1T2T3

T1T2T3

T1T2T3

T1T2T3

T1T2T3

T1T2T3

T1T2T3

Address

1st Op Code

Address

1st operand

Address

2nd operand

Address

mn

mn+1

1st Op Code

Address

2nd Op Code

Address

1st operand

Address

2nd operand

Address

mn

mn+ 1

1st Op Code

Address

2nd Op Code

Address

1st operand

Address

2nd operand

Address

mn

mn+1

Data

1st Op

Code

n

m

DATA

DATA

1st Op

Code

2nd Op

Code

n

m

DATA

DATA

1st Op

Code

2nd Op

Code

n

m

DATA

DATA

RD WR MREQ

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

Family MPU User Manual

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

IORQ M1 HALT ST

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

UM005003-0703

0

1

1

1

1

0

0

1

1

1

1

0

0

1

1

1

1

Z8018x

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

0

1

1

1

1

0

1

1

1

1

1

0

1

1

1

1

1

265

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